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| Mirrors > Home > ILE Home > Th. List > ifcldadc | Unicode version | ||
| Description: Conditional closure. (Contributed by Jim Kingdon, 11-Jan-2022.) |
| Ref | Expression |
|---|---|
| ifcldadc.1 |
|
| ifcldadc.2 |
|
| ifcldadc.dc |
|
| Ref | Expression |
|---|---|
| ifcldadc |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iftrue 3645 |
. . . 4
| |
| 2 | 1 | adantl 277 |
. . 3
|
| 3 | ifcldadc.1 |
. . 3
| |
| 4 | 2, 3 | eqeltrd 2315 |
. 2
|
| 5 | iffalse 3648 |
. . . 4
| |
| 6 | 5 | adantl 277 |
. . 3
|
| 7 | ifcldadc.2 |
. . 3
| |
| 8 | 6, 7 | eqeltrd 2315 |
. 2
|
| 9 | ifcldadc.dc |
. . 3
| |
| 10 | exmiddc 848 |
. . 3
| |
| 11 | 9, 10 | syl 14 |
. 2
|
| 12 | 4, 8, 11 | mpjaodan 810 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-dc 847 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-if 3639 |
| This theorem is used by: updjudhf 7425 omp1eomlem 7440 difinfsnlem 7445 ctmlemr 7454 ctssdclemn0 7456 ctssdc 7459 enumctlemm 7460 xaddf 10263 xaddval 10264 iseqf1olemqcl 10957 iseqf1olemnab 10959 iseqf1olemjpcl 10966 iseqf1olemqpcl 10967 seq3f1oleml 10974 seq3f1o 10975 exp3val 10999 ccatcl 11383 swrdclg 11444 xrmaxiflemcl 12036 summodclem2a 12173 zsumdc 12176 fsum3 12179 isumss 12183 fsum3cvg2 12186 fsum3ser 12189 fsumcl2lem 12190 fsumadd 12198 sumsnf 12201 sumsplitdc 12224 fsummulc2 12240 isumlessdc 12288 cvgratz 12324 prodmodclem3 12367 prodmodclem2a 12368 zproddc 12371 fprodseq 12375 fprodmul 12383 prodsnf 12384 eucalgval2 12856 lcmval 12866 pcmpt 13151 ballotfilemsv 13311 ballotfilemsdom 13313 ennnfonelemg 13352 mulgval 13984 mulgfng 13986 elplyd 15967 dvply1 15991 bposlem5 16315 lgsval 16328 lgsfvalg 16329 lgsfcl2 16330 lgscllem 16331 lgsval2lem 16334 lgsdir 16359 lgsdilem2 16360 lgsdi 16361 lgsne0 16362 subctctexmid 17235 |
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